2161835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 2835840

約数和(自身を除く): 674005

約数列:

[1, 5, 13, 65, 79, 395, 421, 1027, 2105, 5135, 5473, 27365, 33259, 166295, 432367, 2161835]

約数ペア:

[(1, 2161835), (5, 432367), (13, 166295), (65, 33259), (79, 27365), (395, 5473), (421, 5135), (1027, 2105)]